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Share acceptance of stainless steel storage tank


Release time:

2019-07-11

1. The construction, inspection and acceptance of anti-corrosion works of stainless steel storage tanks shall be carried out in strict accordance with the SH3022-1999 Technical Code for Anti-corrosion Coating of Petrochemical Equipment and Pipeline. After the surface of anti-corrosion materials is dry, the dry film thickness of the paint film of the bottom layer, middle layer and surface layer shall be measured respectively. The dry film thickness of each layer and the total dry film thickness of the coating shall meet the relevant requirements in this regulation. 2. Check the number of coating channels and brushing quality, and conduct visual inspection after the coating construction is completed. The main inspection contents of coating quality include: whether the coating has leakage, rust return, bubbles, bottom penetration, sagging, wrinkled skin, etc., whether the coating is smooth and smooth, and whether the color is uniform

1.Stainless steel storage tankThe construction, inspection and acceptance of anti-corrosion works shall be strictly in accordance withSH3022-1999 to the Technical Specification for Anti-corrosion Coating of Petrochemical Equipment and Pipeline. After the surface of the anti-corrosion material is dry, the dry film thickness of the paint film of the bottom layer, the middle layer and the surface layer shall be measured respectively. The dry film thickness of each layer and the total dry film thickness of the coating shall meet the relevant requirements in this regulation.

2. Check the number of coating channels and brushing quality, and conduct visual inspection after the coating construction is completed. The main inspection contents of coating quality include: whether the coating has leakage, rust return, bubbles, bottom penetration, sagging, wrinkled skin, etc., whether the coating is flat and smooth, and whether the color is uniform and consistent. Use a 5-10 times magnifying glass to detect the pinhole condition of the coating, or use wet sponge method to check the pinhole rate of the coating, and the spot check rate shall not be less than 5% of the coating area.

3. In each brush paint, to randomly use the wet film thickness gauge to measure the wet film thickness.

4. After the anti-corrosion coating of the stainless steel storage tank is completed and the paint film is dry, the thickness of the coating shall be measured with a thickness gauge.

5. The coating thickness of stainless steel storage tank is required to be uniform. The acceptance standard adopts the "90-10 rule", I .e. 90% of the measured value shall reach the specified dry film thickness, and 10% of the measured value shall be allowed to be lower, but it must be greater than "90% of the specified value". Otherwise, the number of coating channels shall be increased until it is qualified.

6. For the conductive electrostatic coating, after the construction is completed and the paint film is dry, the coating resistivity meter must be used to measure the coating resistivity, and the acceptance criteria refer to the GB16906-1997 "StoneStainless steel storage tankConductive electrostatic coating construction and acceptance specifications, coating electrical performance test results surface resistivity should be less.109 Ω, or the volume resistivity is less than 108 Ω.m, and the test results should be within the same order of magnitude.